As a quick example, there is no word for "child" in toki pona, many speakers say "jan lili" (small person), while others choose to say "jan sin" (new person).
It's shockingly easy to learn and one can become pretty proficient in very little time. There's a great community to learn from on Discord[2], along with plenty of great online resources like /dev/urandom's toki pona page[3].
[1]: https://tokipona.org [2]: https://discord.gg/nbgXCC6 [3]: https://devurandom.xyz/tokipona/